true if a valid entry was found, false if the heap is empty.bool heapPop(out uint outIndex) @trusted nothrow @nogcPop the oldest entry from the min-heap, skipping stale entries.
Skips entries whose slot generation has changed (released/reused).
outIndex | Receives the slot index of the oldest valid entry. |
true if a valid entry was found, false if the heap is empty.